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iwlwifi: mvm: support version 7 of the SCAN_REQ_UMAC FW command

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commit dac4df1c5f upstream.

Newer firmware versions (such as iwlwifi-8000C-34.ucode) have
introduced an API change in the SCAN_REQ_UMAC command that is not
backwards compatible.  The driver needs to detect and use the new API
format when the firmware reports it, otherwise the scan command will
not work properly, causing a command timeout.

Fix this by adding a TLV that tells the driver that the new API is in
use and use the correct structures for it.

This fixes https://bugzilla.kernel.org/show_bug.cgi?id=197591

Fixes: d7a5b3e9e4 ("iwlwifi: mvm: bump API to 34 for 8000 and up")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Cc: Thomas Backlund <tmb@mageia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Luca Coelho 2017-11-10 14:03:36 +02:00 • committed by Greg Kroah-Hartman
commit 391243ca6d
4 changed files with 118 additions and 34 deletions
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